g2h: Add tree page

1 files changed, 51 insertions, 0 deletions

diff --git a/g2h/tree_page.py b/g2h/tree_page.py
new file mode 100644
index 0000000..22e563a
--- /dev/null
+++ b/g2h/tree_page.py
@@ -0,0 +1,51 @@
+import os
+
+from .page import Page
+
+class TreePage(Page):
+    def __init__(self, out_dir, name, commit, sub_tree, repo, content_subdir):
+        super(TreePage, self).__init__('tree.md', out_dir, os.path.join(commit.hexsha, 't', sub_tree, 'index.md'), name, content_subdir)
+        self.tree = commit.tree.join(sub_tree) if sub_tree else commit.tree
+        self.repo = repo
+        self.commit = commit
+        self.sub_tree = sub_tree
+
+    def _generate_entries(self, nodes):
+        entries = []
+        for node in nodes:
+            latest_commit = next(self.repo.iter_commits(self.commit, max_count=1, paths=node.path))
+            entry = {
+                'name': node.name + str('/' if node.type == 'tree' else ''),
+                'modified': latest_commit.committed_datetime
+            }
+            entries.append(entry)
+        return entries
+
+    def _get_entries(self):
+        files = self._generate_entries(self.tree.blobs)
+        dirs = self._generate_entries(self.tree.trees)
+        files.sort(key=lambda x: x['name'])
+        dirs.sort(key=lambda x: x['name'])
+        return dirs + files
+
+    def context(self):
+        return {
+            'entries': self._get_entries(),
+            'title': self.name + ': Tree'
+        }
+
+    def build_pages(self, factory):
+        visited = set()
+        remaining = [self.sub_tree]
+        tree_pages = []
+        while remaining:
+            current = remaining.pop()
+            if not current in visited:
+                visited.add(current)
+                tree = self.commit.tree.join(current) if current else self.commit.tree
+                tree_pages.append(factory.new_tree(self.commit, tree.path, self.repo))
+                for sub_tree in tree.trees:
+                    remaining.append(sub_tree.path)
+
+        return tree_pages
+